Ferrule for optical fiber



FIG. 1 is a front view of a ferrule for optical fiber showing my new design, which is identical to the rear view, the top plane view and the bottom view;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a sectional view taken along line 4-4 in FIG. 3;

FIG. 5 is a perspective view thereof; and,

FIG. 6 is another perspective view thereof. 

The ornamental design for a ferrule for optical fiber, as shown and described. 